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Finding the Fourth Proportional to 329,032.40, 454,064.88 and 178,129.44

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Solution

The fourth proportional to 329,032.40, 454,064.88 and 178,129.44 is: 245,818.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,032.40 : 454,064.88 = 178,129.44 : x
  2. Step 2: Convert to fraction form
    329,032.40/454,064.88 = 178,129.44/x
  3. Step 3: Cross multiply
    329,032.40x = 454,064.88 × 178,129.44
  4. Step 4: Simplify right side
    329,032.40x = 80,882,322,798.07
  5. Step 5: Solve for x
    x = 80,882,322,798.07/329,032.40
  6. Step 6: Final answer
    x = 245,818.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.